Company lists · Data refreshed October 2026

Top 25 Gas-fired indirect heaters suppliers based in the United States

RevenueBase identified 106 company matches for gas-fired indirect heaters suppliers associated with the United States as of October 2026 and tracks 2,071 professional contacts across them, including 859 with verified work emails. Charlotte is the largest hub.

This list covers company matches for gas-fired indirect heaters suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 26, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 26, 2026 How this list was built
106Companies
2,071Contacts tracked
859Verified emails
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The 25 largest gas-fired indirect heaters suppliers based in the United States

Ranked by team size
Top 25 of 106 company matches for gas-fired indirect heaters suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 26, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAustin, TX, United StatesHQ recorded Oct 26, 20261,001-5,000960 contacts →

Exact match

“Industrial Process Heating Solutions Through its global network, Thermon provides safe, reliable and innovative mission critical industrial process heating solutions.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
2Exact matchMarietta, GA, United StatesHQ recorded Oct 26, 202651-20076 contacts →

Exact match

“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
3Exact matchMissouri City, TX, United StatesHQ recorded Oct 26, 202651-20065 contacts →

Exact match

“Since 1977, Willbanks has provided advanced solutions and support for thousands of commercial heating systems and equipment.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
4Exact matchMountlake Terrace, WA, United StatesHQ recorded Oct 26, 202651-20058 contacts →

Exact match

“Since 1964, Cole Industrial has been the Northwest's leading provider of new, used and rental boiler equipment for the process and comfort heating needs of nearly every industry…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
5Exact matchOnalaska, WI, United StatesHQ recorded Oct 26, 202651-20056 contacts →

Exact match

“L.B.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
6Exact matchSand Springs, OK, United StatesHQ recorded Oct 26, 202651-20055 contacts →

Exact match

“OGI (Oil, Gas, and Industrial) Process Equipment designs, manufactures, sells, and services TERI brand indirect fired water bath heaters and QuikWater® brand direct fired water…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
7Exact matchIrvine, CA, United StatesHQ recorded Oct 26, 202651-20037 contacts →

Exact match

“Bromic Heating is the only company to design, engineer, and manufacture gas, electric and portable outdoor heating products.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
8Exact matchOklahoma City, OK, United StatesHQ recorded Oct 26, 202651-20035 contacts →

Exact match

“Since 1918 Federal has been a leading thermal solutions provider in the Midwest.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
9Exact matchMemphis, TN, United StatesHQ recorded Oct 26, 202611-5032 contacts →

Exact match

“Power Equipment Company (Power Equipment of Memphis) specializes in energy systems and heat generating products, providing the knowledge, products, services and supplies necessary…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
10Exact matchRockland, MA, United StatesHQ recorded Oct 26, 202651-20031 contacts →

Exact match

“Celebrating 75 years in service in 2026!”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchBristol, CT, United StatesHQ recorded Oct 26, 202611-5030 contacts →

Exact match

“ETTER Engineering has historically served the Northeast providing gas equipment and systems to countless markets and applications since 1940.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchDedham, MA, United StatesHQ recorded Oct 26, 202651-20029 contacts →

Exact match

“MacFarlane Energy's goal is to build long-term relationships with customers who want outstanding customer service and fair treatment.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchCharlotte, NC, United StatesHQ recorded Oct 26, 202651-20028 contacts →

Exact match

“Founded in 1949, Gas-Fired Products, Inc.(GFP) currently manufactures and markets a wide variety of gas-fired heating products from its facilities in both the U.S.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
14Exact matchTulsa, OK, United StatesHQ recorded Oct 26, 202611-5026 contacts →

Exact match

“Tulsa Heaters Midstream is a reliable, flexible heater and combustion company that specializes in the midstream Gas Processing industry.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
15Exact matchHarrison, OH, United StatesHQ recorded Oct 26, 202611-5019 contacts →

Exact match

“Stelter & Brinck has been in the process heating industry for over 100 years!”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
16Exact matchAuburn Hills, MI, United StatesHQ recorded Oct 26, 202611-5016 contacts →

Exact match

“Manufacturer of high quality gas fired infra-red products including radiant tube heaters, high intensity luminous heaters, and a large variety of gas burners (both blue flame and…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
17Exact matchAlliance, OH, United StatesHQ recorded Oct 26, 202611-5013 contacts →

Exact match

“Established in 1912, Volcanic Heater, Inc.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
18Exact matchSpokane, WA, United StatesHQ recorded Oct 26, 202611-5012 contacts →

Exact match

“Banner is a locally owned family business and an industry leader in residential and commercial sales and service.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
19Exact matchBrooklyn, NY, United StatesHQ recorded Oct 26, 202611-5010 contacts →

Exact match

“New York Heating has provided heating and cooling contracting services to residential, commercial and industrial accounts in the New York metropolitan area for more than 30 years.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
20Exact matchElgin, IL, United StatesHQ recorded Oct 26, 202611-509 contacts →

Exact match

“Weishaupt Corporation is a Wholesaler / Distributor of gas, oil and dual fuel fired burners for industrial and commercial heating and cooling applications.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
21Exact matchHenderson Township, PA, United StatesHQ recorded Oct 26, 20261-109 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
22Exact matchBroken Arrow, OK, United StatesHQ recorded Oct 26, 202611-508 contacts →

Exact match

“Great Southern Technologies (GST) delivers innovative, custom-engineered direct-fired heater and combustion solutions-from design through fabrication to installation-to optimize…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
23Exact matchMO, United StatesHQ recorded Oct 26, 202611-507 contacts →

Exact match

“With nearly 50 years of experience in the field of industrial process heating and space heating, the INTEK Corporation staff is ready to address your specific needs.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
24Exact matchLewisville, TX, United StatesHQ recorded Oct 26, 20261-106 contacts →

Exact match

“Dan Cox & Associates (DCA) is a family owned industrial process heating distributor and solutions provider, serving manufacturers across Texas and the Southern U.S.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
25Exact matchBrooklyn Center, MN, United StatesHQ recorded Oct 26, 202611-506 contacts →

Exact match

“Tioga Air Heaters manufactures and sells direct fired, indirect fired, hot water, steam, and electric heaters, HEPA filters, fans, and other climate control products and…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase

Showing 25 of 106 gas-fired indirect heaters suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 859 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Gas-fired indirect heaters suppliers based in the United States at a glance

As of Oct 26, 2026
41.5%Verified-email coverage
19.5Average contacts per company
11-50Median size (employees)
1.9%Largest-city concentration · Charlotte
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
41
51-200
20
201-500
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 106 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “gas-fired indirect heaters suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 859 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 26, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “gas-fired indirect heaters suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many gas-fired indirect heaters suppliers are there based in the United States?

RevenueBase identified 106 company matches for gas-fired indirect heaters suppliers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Thermon tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most gas-fired indirect heaters suppliers?

Charlotte leads with 2 company records, followed by Oklahoma City (2) and San Antonio (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 859 professional contacts with verified work emails tracked across these 106 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 26, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.